Magnetic disc drive



FIG. 1 is a perspective view of the magnetic disc drive showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top plan view thereof on an enlarged scale;

FIG. 4 is a bottom plan view thereof on an enlarged scale;

FIG. 5 is a side elevational view thereof on an enlarged scale;

FIG. 6 is a front elevational view thereof on an enlarged scale; and

FIG. 7 is a rear elevational view thereof on an enlarged scale.

The support structure is shown in broken lines in FIG. 1 for illustration purposes only. 

The ornamental design for a magnetic disc drive, as shown and described. 